stephen tschida a the latest from silver spring. >> the bus came careening down the street and slammed into the house behind me doing so much damage the family had to vacate. there are new questions tonight about what caused the bus to go out of control. a camera on board caught the moments before this bus crashed in a silver spring home. a man sought happened and spoke with the bus driver immediately afterward. >> that's what he told me. >> four people on the bus were sent to the hospital with non- life-threatening injuries. two people in the house did not get heurt. >> there were no malfunction in the brakes. the state police looked at it. there was no malfunction. >> the driver who has close to two decades with ride on was adamant the brakes failed. he was supposed to meet with county officials for a hearing about the crash last week and he did not show up. >> the ft he has something to say about why it happened -- if he has something tro say, we want to hear it. >> they do not suspect drugs raw alcohol. some residents believe they know exactly what happened which inflicted so much